Cite

Drawings/Drawings of musicians, B-C

MLA

Koch, Frederick R. (Frederick Robinson). Drawings/Drawings of musicians, B-C. Box 323, folder 1761. 1897-1933, n.d.. https://collections.library.yale.edu/catalog/2012437.

APA, 6th edition

Koch, Frederick R. (Frederick Robinson). (["Box 323, folder 1761"])(1897-1933, n.d.)[Drawings/Drawings of musicians, B-C]. https://collections.library.yale.edu/catalog/2012437.